]> git.proxmox.com Git - mirror_ubuntu-focal-kernel.git/blobdiff - arch/x86/mm/kmemcheck/selftest.c
kmemcheck: rip it out
[mirror_ubuntu-focal-kernel.git] / arch / x86 / mm / kmemcheck / selftest.c
index 7ce0be1f99eb663755f31dd7b38c9032a50c4e2f..cec5940325151e407aa90128a35cb683afd436d7 100644 (file)
@@ -1,71 +1 @@
 // SPDX-License-Identifier: GPL-2.0
-#include <linux/bug.h>
-#include <linux/kernel.h>
-
-#include "opcode.h"
-#include "selftest.h"
-
-struct selftest_opcode {
-       unsigned int expected_size;
-       const uint8_t *insn;
-       const char *desc;
-};
-
-static const struct selftest_opcode selftest_opcodes[] = {
-       /* REP MOVS */
-       {1, "\xf3\xa4",                 "rep movsb <mem8>, <mem8>"},
-       {4, "\xf3\xa5",                 "rep movsl <mem32>, <mem32>"},
-
-       /* MOVZX / MOVZXD */
-       {1, "\x66\x0f\xb6\x51\xf8",     "movzwq <mem8>, <reg16>"},
-       {1, "\x0f\xb6\x51\xf8",         "movzwq <mem8>, <reg32>"},
-
-       /* MOVSX / MOVSXD */
-       {1, "\x66\x0f\xbe\x51\xf8",     "movswq <mem8>, <reg16>"},
-       {1, "\x0f\xbe\x51\xf8",         "movswq <mem8>, <reg32>"},
-
-#ifdef CONFIG_X86_64
-       /* MOVZX / MOVZXD */
-       {1, "\x49\x0f\xb6\x51\xf8",     "movzbq <mem8>, <reg64>"},
-       {2, "\x49\x0f\xb7\x51\xf8",     "movzbq <mem16>, <reg64>"},
-
-       /* MOVSX / MOVSXD */
-       {1, "\x49\x0f\xbe\x51\xf8",     "movsbq <mem8>, <reg64>"},
-       {2, "\x49\x0f\xbf\x51\xf8",     "movsbq <mem16>, <reg64>"},
-       {4, "\x49\x63\x51\xf8",         "movslq <mem32>, <reg64>"},
-#endif
-};
-
-static bool selftest_opcode_one(const struct selftest_opcode *op)
-{
-       unsigned size;
-
-       kmemcheck_opcode_decode(op->insn, &size);
-
-       if (size == op->expected_size)
-               return true;
-
-       printk(KERN_WARNING "kmemcheck: opcode %s: expected size %d, got %d\n",
-               op->desc, op->expected_size, size);
-       return false;
-}
-
-static bool selftest_opcodes_all(void)
-{
-       bool pass = true;
-       unsigned int i;
-
-       for (i = 0; i < ARRAY_SIZE(selftest_opcodes); ++i)
-               pass = pass && selftest_opcode_one(&selftest_opcodes[i]);
-
-       return pass;
-}
-
-bool kmemcheck_selftest(void)
-{
-       bool pass = true;
-
-       pass = pass && selftest_opcodes_all();
-
-       return pass;
-}